a recent fall-off in sales近来销售量的减少One slip and you could fall off the building.脚下一滑就可能从建筑物上跌下去.When you are learning to ride a bicycle, you often fall off.初学骑自行车时, 常会从车上掉下来....
Make sure your picture matches the inset window, especially along the edges.确保您的图像与嵌入窗口相匹配, 特别是边缘.For an explanationof the symbols see the key , inset left.有关各符号的意义请见左边附表.For the Shetland Islands, see inset.关于设得兰群岛，见小地图。...
Soak the couscous overnight in the juice of about six lemons.将粗麦粉浸于大约6个柠檬榨出的果汁中，浸泡整夜。Stir in couscous, and remove from heat.放入蒸粗麦粉,从火上取下来.Divide couscous between two bowls.把蒸粗麦粉分放在两个碗中....